Footwear upper



FIG. 1 is a right side elevational view of a preferred embodiment of a footwear upper showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a front elevational view thereof.

The broken lines and the broken line mesh pattern in the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a footwear upper, as shown and described. 